Finding the Fourth Proportional to 12,386,313.36, 18,579,471.60 and 3,867,379.44
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Solution
The fourth proportional to 12,386,313.36, 18,579,471.60 and 3,867,379.44 is: 5,801,069.65
Step by Step Solution
- Step 1: Write the proportion equation
12,386,313.36 : 18,579,471.60 = 3,867,379.44 : x - Step 2: Convert to fraction form
12,386,313.36/18,579,471.60 = 3,867,379.44/x - Step 3: Cross multiply
12,386,313.36x = 18,579,471.60 × 3,867,379.44 - Step 4: Simplify right side
12,386,313.36x = 71,853,866,471,903.91 - Step 5: Solve for x
x = 71,853,866,471,903.91/12,386,313.36 - Step 6: Final answer
x = 5,801,069.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.